It was a very interesting fight week with stimulating discussions from the Ratings Panel, which resulted in movement in several divisions. The Panel’s input included their approval of the May 4 Floyd Mayweather-Roberto Guerrero welterweight fight being for the vacant RING 147-pound title.

Abner Mares will challenge WBC featherweight titleholder Daniel Ponce de Leon on April 20 on Showtime, the former bantamweight and junior featherweight titleholder and his management team, Espinoza Boxing, announced on Twitter on Monday evening.